Inverted incandescent gas-lamp.



0. WIEDERHOLD. INVBRTED INGANDESGENT GAS LAMP;

APPLICATION FILED AUG. 10, 1907 Patented June 1,1909.

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m HIIIIIIHHW OLWIEDERHOLD.

INVBRTED INOANDESOENT GAS LAMP.

APPLICATION FILED AUG, 10. 1901 923,469. Patented Jui1e1,1909.

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OSCAR WIEDERHOLD, OF JERSEY CITY, NEW JERSEY.

INVERTED INCANDESCENT GAS-LAMP.

Specification of Letters'latent.

Patented June 1, 1909.

Application filed August 10, 1907. Serial No. 387,998.

To all whom "it may concern.

Be it known that I, Osoan VVIEDERHOLD, a citizen of the United States, residing in Jersey City, in the county of Hudson and State of New Jersey, have invented certain new and useful Improvements in Inverted Incandescent Gas-Lamps, of which the following is a specification.

My invention relates to inverted incandescent gas lamps, and has for its object to improve such lamps and to provide them with means for relieving the mantles from the effect of jars and vibrations so as to increase their durability.

To this end my device consists of certain combinations and constructions of parts which will be fully described hereinafter and the features of novelty will be pointed out in the appended claims.

Reference is to be had to the accompanying drawings in which Figure l is an elevation of my improved lamp with parts in section; Fig. 2 is a section of the burner taken on the line 22 of Fig. 8; Fig. 3 is an inverted plan view thereof; Fig. 4L is a side elevation partly in section of another form of my invention; Fig. 5 is a side view of the burner with parts in section; and Fig. 6 is an inverted plan view of the mixing chamber.

A (Fig. 1) represents the gas inlet pipe which is connected at A with the source of gas supply, and is bent into a coil B, and connected at C with the nipple C. An air inlet tube D is secured to this nipple C, and is provided with the usual openings D for the admission of air. A mixing tube E is fastened to this air inlet tube D and is provided with a bead E which secures a protecting hood F in operative position. This hood extends downwardly over the air inlet tube, straddling the horizontal portion of the pipe A and is open at the bottom. The burner comprises a tube G which is adapted to extend into the mixing tube E, being maintained in position by a coil spring Gr one end of which abuts against the lower end of the tube G and the other end of which engages the air inlet tube D and encircles a projection D which forms part of the said air inlet tube D. There is thus a resilient connection between the burner and the mixing tube, the particular advantage of which will be pointed out hereinafter. The upper end of the tube G is screwthreaded to receive a collar H having a flange H at its lower portion. The other end of the collar H is slightly reduced in diameter to form a shoulder H and is screw-threaded to receive a nut H A lower shell I having a central opening through which the reduced end of the collar H extends, is clamped in position on the said collar in engagement with the shoulder H by the nut 1-1. This shell is dished as indicated at T, and is provided with a peripheral flange 1 arranged to receive a cover J which together with the shell I forms a mixing chamber in which is located the sieve J The cover J is provided at its center with an internally screw-threaded projection J into which the conical plug J is screwed, so that the cone points downwardly over the center of the tube G. The cover J may be secured in position on the shell I by means of screws J which engage the flange I of the shell I. Burner tips K are arranged to screw into suitable openings in the shell I and are screw-threaded at K to receive the mantle holders L to which the mantles L are secured. These mantle holders are provided with lugs L by which they may be manipulated.

M is a ring loosely connected with the collar H and having a flange M which is adapted to cooperate with the flange H to prevent said ring from leaving the collar H when the parts are in the position shown in Figs. 1 and 2. The ring M is movable on the collar H between said flange H and the dished portion 1 of the shell I, and serves as a locking ring to prevent the mantle holders L from being jarred loose on the tips K. That is, when the parts are in the position shown in Fig. 1, the said ring M is in the horizontal path of the lugs L of the mantle holders L, so that if the lamp is constantly jarred or vibrated and the tendency of the mantle holders is to turn and thus become disengaged from the tips, this turning or unscrewing movement will be stopped, as soon as one of the lugs L engages the ring M. If it is desired to remove one or more of the mantles or to place others in position on the tips, the

again placed in position on the mixing tube which causes the ring M to drop back to the position indicated in Figs. 1 and 9. in the paths of the lugs L In operation the gas passes through the pipe A and around the coil B through the nipple C into the mixing tube E where it is mixed with the air which enters the tube through the air inlets D. From the mixing tube the passes through the tube G to the mixing chamber formed by the shell I and the cover J and is deflected downwardly by the inclined surface of the cover J through the sieve J to the burner tips K and mantles L. By providing the hood F over the air inlet D the danger of the gas at the openings D becoming ignited is entirely obviated as the said hood serves to protect the said openings from the flame from above and yet does not obstruct the flow of air through said openings owing to the fact that the hood is open at the bottom and does not surround said air inlet closely.

By providing the resilient connection between the burner and the mixing tube, through the medium of the spring G my lamp is particularly adapted for use on railroad cars in which the lamp is subject to a constant vibration. This vibration is taken up by said spring G and also by the coil B which permits the mixing tube and the entire burner to bend or give readily in a lateral direction. The danger of the mantles becoming broken from the constant vibration and jarring which takes place in a moving railway train is thus done away with. The spring G being located close to the air inlet and in the path of the cool air is also prevented from becoming overheated and useless, and the temper or hardness thereof is thus not affected by the heat.

In the form of my invention illustrated in Figs. 4, 5, and 6, the pipe a is connected by means of a pipe at with the source of gas supply and is connected at I) with the nipple c and is not bent into a coil as in Fig. 1. The nipple c is screw-threaded at c to receive the air cover or hood (Z which is provided at its lower portion with the diaphragm 0 having air inlet openings for the admission of air to said cover. This cover is dome shaped and is provided with an upward tubular extension f over which the tube 9 fits, in frictional engagement, so as to be capable of being easily disengaged therefrom. The upper end of the tube 9 is connected with the mixing chamber formed by the cover J and the shell I which may be the same as described with regard to Figs. 1, 2 and 3. The interior construction of this mixing chamber and the burner tips also correspond with the device shown in Figs. 1, 2 and 3 so that further explanation thereof is unnecessary. The diaphragm e is preferably resilient to act in the same way as the spring G to take up any jar or vibration. In this form of my invention the air inlets are atthe bottom of the air cover, so that the curved roof of the air cover forms a shield to prevent the gas from becoming ignited at these inlets.

h is a spider which may be secured to the pipe (6 and which is provided with a circumferential flange h in which screws [L2 are located. These screws it are arranged to engage and support the globe 2' which globe completely encircles the lamp and which is provided with an opening 2" at the bottom. This opening 2" is located directly below the air inlet openings 6 in the air cover (Z and serves to admit air and increase the draft, thus adding to the general ethciency of the lamp. By having the opening in the globe below the air inlets of the air cover a current of pure air is always directed toward these air inlets. It is to be understood that the globe may also be used in connection with the form of my invention shown in Figs. 1, 2 and 3 in which-case the opening in the globe will be located under the protecting hood F.

hile the pipe with the coil B shown in Fig. l is the preferred form, this style of pipe is expensive, and I wish it understood that I use in practice the form of the pipe shown in Fig. it with the remainder of the device as shown in Figs. 1, 2 and 3 as combining the best results with cheapness of manufacture.

Various modifications may be made without departing from the nature of my invention as defined in the claims.

I claim:

1. The combination of a burner, the mantle holder secured thereto detachably, and a locking device, located to one side of the holder and movable up and down to release or lock said holder.

The combination of a burner, the mantle holder adapted to be screwed on the biu'ner, and a movable locking device for said holder. which device is located to one side of the holder and mounted to shift from an operative position to a releasing position.

3. The combination of a burner, the mantle holder adapted to be secured or detached by a rotary movement, and a looking device located to one side of the holder and movable lengthwise of the axis about which the mantle holder turns, to lock or release the said holder.

The combination of a burner, the mantle holder having projections and adapted to be secured or attached by a rotary movement, and a locking device mounted to slide lengthwise of the axis about which the mantle holder turns, and extending when in its operative position, into the path of said projections, to prevent the mantle holder Irom becoming detached.

The combination of the burner having a vertical guide, a locking device mounted .'to slide by gravity to one end of said guide or the other as the burner is placed upright or inverted, and the mantle holder detachably secured to the burner and held against separation therefrom when the locking device is at one end of the guide, but released for separation when the locking device is at the other end of the guide.

6. The combination of the burner body having a plurality of burners, detachable mantle holders for each of said burners, and a movable locking device common to all of said mantle holders.

7. The combination of the burner body having a plurality of burners arranged at equal distances from the center, detachable mantle holders for each of said burners, and a movable locking device common to all of said mantle holders and arranged concentrically with reference to the series of burners.

8. The combination of the burner body having a plurality of burners arranged at equal distances from the center, detachable mantle holders for each of said burners, and a movable lOCKlDg device common to all of said mantle holders and arranged centrally between them.

9. The combination of the burner, the mantle holder detachably secured thereto, and the locking device mounted to drop by gravity either to an operative position or to a releasing position as the burner is inverted or upright.

10. The combination of the gas tube, a burner supported thereby and located to one side thereof, the mantle holder detachable from the burner, and a locking device movable on said tube and arranged to lock or release said holder.

11. The combination of the gas tube, a plurality of burners supported'thereby and located laterally thereof, the mantle holders detachably connected with the burners, and a locking device, common to all of said mantle holders, mounted to move lengthwise on said tube.

12. The combination of the gas tube, a plurality of burners supported thereby and located at equal distances from the tube, a detachable mantle holder for each burner, and a locking device, movable on said tube and arranged concentrically with reference to the set of burners to lock or release all of the mantle holders.

13. The combination of the gas tube, a plurality of burners supported thereby and located at equal distances from the tube, a detachable mantle holder for each burner, and a locking device, movable on said tube and arranged centrally between the holders to lock or release all of them simultaneously.

14. The combination of an inverted burner having a mixing chamber, the mantle holder adapted to screw on, and a locking device arranged so when the lamp is placed in its working position the holder is automatically locked.

15. The combination of an inverted burner having a mixing chamber, the mantle holder adapted to screw on, and a locking ,device so arranged that when the lamp is placed in its working position the holder is automatically locked, and that upon removing the mixing chamber and turning it upside down the locking device will release and allow the holder to be unscrewed.

16. The combination of the gas tube, the burner supported thereby and located to one side of the tube, the mantle holder detachably secured to the burner, and the locking device movable along the tube and mounted to drop by gravity either to an operative position or to a releasing position as the burner is inverted or upright.

17. The combination with an inverted burner, a tube for supplying air and gas to said burner, a cover secured to said tube and forming an enlargement or chamber communicating with the tube and with the surrounding air, and a spring diaphragm located in the said cover and forming a resilient support for said cover and tube.

18. The combination of an inverted burner, a supply tube having air inlets below the level of the burner and connected with said burner, and a globe surrounding said burner and provided with an opening in its lower portion below the said air inlets.

In testimony whereof, I have signed this specification in the presence of two subscrib ing witnesses.

OSCAR YVIEDERHOLD.

itnesses MABELLE COLLINS, JOHN HENRY SMITH. 

